Updated: May 04, 2026
Location and Projects
Address
16285 VIA ESTE, Sonora, CA, 95370
Use our bidding system to
request a quote
KNOWLES ELECTRICAL SERVICES
KNOWLES ELECTRICAL SERVICES at 16285 VIA ESTE, Sonora, CA 95370, held a Electrician license (#293452) with the California contractors license board with an expiration date of 04-30-2024. We last verified the license was expired on 04-04-2026.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 336,931 California contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our project planner to be easily matched to qualified, licensed professionals in your area.
KNOWLES ELECTRICAL SERVICES Contact Information
Phone Number: (925) 828-3131
Edit
Address: 16285 VIA ESTE, Sonora, CA 95370
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
Building Permits by KNOWLES ELECTRICAL SERVICES
This is a sample of this contractor's permits. Click here to access their complete permit history.
Trinity baptist church - photovoltaic solar 75.9 kw 230 panels
Valuation:
$85,000
Permit #:
1706-0194
Status:
final
Fee:
$1,653
Permit Type:
Roof mount solar
Building Type:
N/A
Electric panel replacement 125amp
Valuation:
N/A
Permit #:
1511-0092
Status:
final
Fee:
$53
Permit Type:
Residential
Building Type:
N/A
Install 5.0 kw roof mounted photovoltaic system
Valuation:
$12,000
Permit #:
1712-0242
Status:
final
Fee:
$227
Permit Type:
Roof mount solar ...
Building Type:
N/A
Replace 100 amp panel; replace faulty wiring as needed
Valuation:
$65,641
Permit #:
2070486
Status:
FINALED
Fee:
$144
Permit Type:
Serv up to 325 amp
Building Type:
N/A
Addition 100 amp sub panel in garage. move existing two curcuits to new panel from main
Valuation:
N/A
Permit #:
E040007
Status:
final
Fee:
$32
Permit Type:
Asfr
Building Type:
N/A
Replace 100amp ag pump service with 200amp service
Valuation:
$65,641
Permit #:
2080141
Status:
FINALED
Fee:
$237
Permit Type:
Serv up to 325 amp
Building Type:
N/A
Replace 100 amp service
Valuation:
N/A
Permit #:
BLD15-02133
Status:
final
Fee:
N/A
Permit Type:
Service change <=...
Building Type:
N/A
New 210 electric line for dryer and change 40 amp panel to 1
Valuation:
N/A
Permit #:
95110037
Status:
final
Fee:
$35
Permit Type:
N/A
Building Type:
N/A
Tenant improvement including track lights & outlets only
Valuation:
N/A
Permit #:
93010109
Status:
final
Fee:
$34
Permit Type:
Tenant improvement
Building Type:
N/A
Install 50 amp main run 50 amp line underground in conduit to conc slab for future portable spa
Valuation:
$450
Permit #:
0410899
Status:
final
Fee:
$78
Permit Type:
N/A
Building Type:
N/A
Electrical to tree for future xmas tree lights in condui
Valuation:
$1,500
Permit #:
M00-000612
Status:
EXPIRED
Fee:
$152
Permit Type:
N/A
Building Type:
N/A
Electric service upgrade from 60 amp to 125 amp
Valuation:
N/A
Permit #:
95080229
Status:
final
Fee:
$35
Permit Type:
Electrical srvc c...
Building Type:
N/A
Upgrade electric panel from 60 amp to 125 amp
Valuation:
$0
Permit #:
BH98001273
Status:
Expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Change service from 200 amp to 400 amp
Valuation:
N/A
Permit #:
98090085
Status:
final
Fee:
$35
Permit Type:
Residential
Building Type:
N/A
Remove & replace 100 amp meter main panel
Valuation:
N/A
Permit #:
95030129
Status:
final
Fee:
$35
Permit Type:
Electrical srvc c...
Building Type:
N/A
Service change from 100 amp to same
Valuation:
N/A
Permit #:
98030137
Status:
final
Fee:
$35
Permit Type:
Electrical srvc c...
Building Type:
N/A
No Description Available
Valuation:
$65,641
Permit #:
990320
Status:
Yes (finaled)
Fee:
$66
Permit Type:
E
Building Type:
N/A
Change electrical service to 100a
Valuation:
$1,400
Permit #:
BP00000876
Status:
canceled
Fee:
$54
Permit Type:
N/A
Building Type:
N/A
Replace damaged 100 amp panel
Valuation:
N/A
Permit #:
98070180
Status:
final
Fee:
$35
Permit Type:
Residential
Building Type:
N/A
Change from 60 amp to 100 amp
Valuation:
N/A
Permit #:
97040133
Status:
final
Fee:
$35
Permit Type:
Electrical srvc c...
Building Type:
N/A
Similar Contractors See more
License # 1038922
Discovery Bay, CA
142
BZ Score
$3.2K
Avg Project
-
Projects
143
BZ Score
$22.5K
Avg Project
-
Projects
140
BZ Score
$999
Avg Project
-
Projects
KNOWLES ELECTRICAL SERVICES Reviews
BuildZoom hasn't received any reviews for KNOWLES ELECTRICAL SERVICES. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Let us find you an electrician in your area today
We'll search our vast network of Electricians and connect
you with one that meets your needs today.
KNOWLES ELECTRICAL SERVICES License info
Inactive License
| License # | 293452 |
| Status | Inactive |
| State | California |
| Type | Electrical |
| Business Type | Sole Ownership |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for KNOWLES ELECTRICAL SERVICES at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 281356 |
| Status | Inactive |
| State | California |
| Type | Electrical |
| Business Type | Sole Ownership |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for KNOWLES ELECTRICAL SERVICES at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 633685 |
| Status | Inactive |
| State | California |
| Type | Electrical |
| Business Type | Sole Ownership |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for KNOWLES ELECTRICAL SERVICES at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
- How the BuildZoom Score works
- *No active license on file. If you are KNOWLES ELECTRICAL SERVICES, click “This is My Business” to update your information.
Bonded
| Bonded Agent | Suretec Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
65
Permits
- Building permit records show that KNOWLES ELECTRICAL SERVICES has worked on 65 permitted projects.
KNOWLES ELECTRICAL SERVICES Employees
DK
David Lewis Knowles
Sole Owner
JK
John Henry Knowles
Sole Owner
MK
Merlyn Knowles
Sole Owner